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Precursor B Cell Acute Lymphoblastic Leukemia (B-ALL) Treated With Autologous T Cells Genetically Targeted to the B Cell Specific Antigen CD19
Sponsor: Memorial Sloan Kettering Cancer Center
Summary
This study is an investigational approach that uses immune cells, called "T cells", to kill leukemia. These T cells are removed from blood, modified in a laboratory, and then put back in the body. T cells fight infections and can also kill cancer cells in some cases. However, right now T cells are unable to kill the cancer cells. For this reason we will put one gene into the T cells that allows them to recognize and kill the leukemia cells. This gene will be put in the T cells by a weakened virus. The gene will produce proteins in the T cells that help the T cells recognize the leukemia cells and possibly kill them. The doctors have found that T cells modified in this way can cure an ALL-like cancer in mice. The main goals of this study is to determine the safety and appropriate dose of these modified T cells in patients with ALL. This will be done in a "clinical trial." The dose of modified T-cells will depend on if you have disease present in your bone marrow or not. The patient will also receive chemotherapy before the T cells. We will use normally chemotherapy that is used in patients with leukemia. The chemotherapy is given to reduce leukemia and to allow the T cells to live longer.
Official title: A Phase I Trial of Precursor B Cell Acute Lymphoblastic Leukemia (B-ALL) Treated With Autologous T Cells Genetically Targeted to the B Cell Specific Antigen CD19
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
93
Start Date
2010-01-05
Completion Date
2026-01
Last Updated
2025-05-23
Healthy Volunteers
No
Conditions
Interventions
gene-modified T cells targeted
Pts will undergo leukapheresis. The leukapheresis product will be washed \& frozen until the GTF is directed to start T cell production by the PI. CD3+ T cells will be isolated from the leukapheresis, \& transduced with the 19-28z chimeric receptor \& expanded. All relapsed (either MRD+ or morphologic) \& refractory pts get re-induction chemo whenever feasible to optimally reduce the tumor burden prior to the T cell infusion. The re-induction chemo regimen will be selected by the treating dr. based on prior therapy, adverse reactions to chemo \& highest likelihood to achieve an optimal response. Once pts recover from the toxicities of the re-induction chemo the disease status will be re-evaluated by repeating bone marrow aspirate or biopsy. Pts get conditioning chemo (min 2 weeks from end of re-induction chemo) followed 2-7 days later by the 19-28z+ T cells. Pts will be tx in 2 cohorts with diff doses of T cells according to the amount of disease immediately prior to the T cell infusion.
Locations (1)
Memorial Sloan Kettering Cancer Center
New York, New York, United States